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发明名称
Packing gland for valve stem
摘要
申请公布号
US2844392(A)
申请公布日期
1958.07.22
申请号
US19540452186
申请日期
1954.08.25
申请人
VAPOR HEATING CORPORATION
发明人
STONICH ELWOOD H.;MOORE EDWARD B.
分类号
F16J15/18
主分类号
F16J15/18
代理机构
代理人
主权项
地址
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